RFR: 8231242: G1CollectedHeap::print_regions_on lost description for "OA" and "CA"

[Jiangli Zhou]

Looks good.

Best,
Jiangli

On Thu, Sep 19, 2019 at 4:01 AM huangjia <huangjia at loongson.cn> wrote:

> Hi all,
>
> JBS: https://bugs.openjdk.java.net/browse/JDK-8231242
>
> When dumping the info of heap region, the description for "OA" and "CA"
> seems to be lost.
> Please review the following fix which improves the readability of the
> heap region log.
> -----------------------------------
> diff -r 778fc2dcbdaa src/hotspot/share/gc/g1/g1CollectedHeap.cpp
> --- a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp       Wed Sep 18
> 20:49:13 2019 -0400
> +++ b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp       Thu Sep 19
> 11:47:07 2019 +0800
> @@ -2378,6 +2378,7 @@
>     st->print_cr("Heap Regions: E=young(eden), S=young(survivor), O=old, "
>                  "HS=humongous(starts), HC=humongous(continues), "
>                  "CS=collection set, F=free, A=archive, "
> +               "OA=open archive, CA=closed archive, "
>                  "TAMS=top-at-mark-start (previous, next)");
>     PrintRegionClosure blk(st);
>     heap_region_iterate(&blk);
> -----------------------------------
> For more info, please see the JBS.
>
> Testing:
>     - make test TEST="jtreg:hotspot_gc" CONF=release
>     - make test TEST="jtreg:hotspot_gc" CONF=fastdebug
>
> Thanks a lot
>
> Best regards,
> Jia
>
>